TinTin++ Mud Client Manual  
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Syntax: #line {gag|log} {argument}
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#line gag -- gags the next line.
#line log {filename} {[text]} -- logs the next line, or the given text.
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Example: #act {%0 tells you '%1'} {#if {"$gaglist" == "* %0 *"} {#line gag} {#line log tells.log}